An automatic plotting system for the electrochemical characterization of n-type gallium arsenide

A system is described for the automatic plotting of the electrochemical voltage-log current characteristics of gallium arsenide samples. The plots are in a convenient form for analysis, which allows the electron concentration, and minority carrier diffusion length, of n-type samples to be estimated. The technique permits electrochemical stripping and measurements to be performed in situ in the same electrolytic cell, so that depth profiles of measured parameters may readily be obtained.

Source:IOPscience

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